Debsirindra

Queen Debsirindra of Siam , formerly Queen Ramphoei Phamaraphirom , born Princess Ramphoei Siriwong was the second consort of King Mongkut, and mother of King Chulalongkorn.

Princess Ramphoei was born in 1834 to Prince Siriwongse, the Prince Matayaphithak and Lady Noi . She was of Mon descent. When her father died at onlyyears, her grandfatherthe kingtook her and her sister Pannarai to the Grand Palace and they were said to be his favourite grandchildren. In 1853, Ramphoei married her greatuncle Mongkut and was raised to a Phra Ong Chao . In the same year she gave birth to Prince Chulalongkorn. She later became Queen Ramphoei.

Source: Wikipedia